Fatal error: Uncaught Error: Interface 'Drupal\Core\CronInterface' not found in /var/www/html/tmp/contrib/ultimate_cron/src/ProxyClass/UltimateCron.php:10 Stack trace: #0 {main} thrown in /var/www/html/tmp/contrib/ultimate_cron/src/ProxyClass/UltimateCron.php on line 10